Provide safe isolation before starting a maintenance job

What should be done before starting a maintenance job?

• Provide safe isolation

• Ignore safety precautions

• Start the job immediately

• Use unproven isolation methods

How can the effectiveness of isolation be confirmed?

• Via vent or bleed points

• By guessing

• By skipping the confirmation step

• By using unproven methods

What is the risk related to a single barrier?

• Always guarantees isolation

• Not sufficient to ensure isolation

• Reduces the risk of accidents

• Is unnecessary in maintenance

What should be positioned at the free ends of the pipes after maintenance?

• Extra equipment

• Nothing is needed

• Single isolation valves

• Blind flanges, plugs, and double isolation valves

What should be done if the double block and bleed method is not possible?

• Use unproven methods

• Continue without isolation

• Stop the maintenance job

• Ensure isolation with a single manual shutoff valve, pressure gauge, and bleed

How should the equipment be cleaned after maintenance?

• By skipping the cleaning step

• Using unapproved cleaning agents

• Without cleaning

• In accordance with the operating instructions

What should be used to check that there is no liquid or pressure in the equipment?

• Ignore checking

• Use unproven methods

• Guesswork

• Pressure gauge and level indicators

What should be assessed on a case-by-case basis?

• Each isolation

• Never assess anything

• Assess everything at once

• Ignore assessments

What governs the execution of each intervention?

• Company procedures, operating instructions, and work permits

• Personal preferences

• No governing rules

• Guesswork

What could cause damage to people, the environment, assets, and the company's image and reputation?

• Ignoring safety precautions

• Complying with safety regulations

• Using unproven methods

• Not complying with company procedures, operating instructions, and work permits